Hamburger pattie



FIG. 1 is a front elevational view of a hamburger pattie showing my new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a bottom plan view;

FIG. 5 is an elevational view looking from the right of FIG. 1; and

FIG. 6 is an elevational view looking from the left of FIG. 1. 

The ornamental design for a hamburger pattie, as shown and described. 